@charset "utf-8";
@import url(normalize.css);
html,
body,
div,
ul,
li,
dl,
dt,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
form,
input,
select,
button,
textarea,
iframe,
table,
th,
td {
  margin: 0;
  padding: 0;
}
body {
  font-family: "oswald", "SourceHanSansSC-Light","Source-Han-Light","Source Han Sans CN","SourceHanSansCN-Light","webfontSourceHanSansSC";
}
img {
  border: 0 none;
  vertical-align: top;
}
ul,
li {
  list-style-type: none;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 14px;
}
button {
  cursor: pointer;
}
body {
  background: #fff;
  color: #363636;
  line-height: 1.2;
  min-width: 950px;
}
a,
a:link {
  color: #222;
  text-decoration: none;
}
a:visited {
}
a:active,
a:hover {
  text-decoration: none;
}
a:focus {
  outline: none;
}

.container {
  margin: 0 auto;
}
/*清除浮动*/
.clearfix:after {
  content: "";
  display: block;
  clear: both;
  height: 0;
  line-height: 0;
  visibility: hidden;
}
.clearfix {
  zoom: 1;
}

/*返回顶部*/
/*toolBackTop*/
.back-to {
  bottom: 35px;
  overflow: hidden;
  position: fixed;
  right: 10px;
  width: 50px;
  z-index: 999;
}
.back-to .back-top {
  width: 50px;
  height: 50px;
  float: right;
  display: block;
  margin-left: 10px;
  margin-left: 0;
  /* background: url("../img/back-top.png") no-repeat scroll 0 0 transparent; */
  outline: 0 none;
  text-indent: -9999em;
}
.back-to .back-top:hover {
  background-position: -50px 0;
}
.comon_banner {
  width: 100%;
  height: 600px;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.content_margin {
  margin-top: 60px;
}
.envirTittle {
  margin: 63px 0 20px;
}
.en_comP {
  text-align: center;
  font-size: 25px;
  margin-bottom: 40px;
}
@media screen and (max-width: 1680px) {
  .style_banner {
    height: 525px;
    background-size: 100% 525px;
  }
}
@media screen and (max-width: 1440px) {
  .style_banner {
    height: 450px;
    background-size: 100% 450px;
  }
}
@media screen and (max-width: 1200px) {
  .style_banner {
    height: 375px;
    background-size: 100% 375px;
  }
}
@media screen and (max-width: 980px) {
  .style_banner {
    height: 306px !important;
    background-size: 100% 100% !important;
  }
}
@font-face {
  font-family: "SourceHanSansCN-Light";
  src: url("../Fonts/SourceHanSansCN-Light.otf");
  font-family: "SourceHanSansCN-Normal";
  src: url("../Fonts/SourceHanSansCN-Normal.otf");
  font-family: "SourceHanSansCN-Regular";
  src: url("../Fonts/SourceHanSansCN-Regular.otf");
  font-family: "SourceHanSansCN-Medium";
  src: url("../Fonts/SourceHanSansCN-Medium.otf");
  font-family: "SourceHanSansCN-Bold";
  src: url("../Fonts/SourceHanSansCN-Bold.otf");
  font-family: "numberTitle";
  src: url("../Fonts/numberTitle.ttf");
}

